Cobra Electronics LI 3900DXC Two-Way Radio User Manual


 
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English
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Nothing Comes Close to a Cobra
®
Keystroke Tones On
Keystroke Tones
With Keystroke Tones turned on, your radio will sound
beeps each time you press a button or change a setting.
To change keystroke tones:
1.
Press the Mode button until the Keystroke
Tones
icon flashes on the display. The
current
on or off setting is displayed.
2. Press the Channel Up or Channel Down
button to turn keystroke tones on or off.
3. Choose one of the following:
a. Press the Mode button to enter the new
setting and return to
Standby mode.
b. Press the Lock/Enter button to enter the
new setting and return to
Standby mode.
Mode Functions and
General Specifications
Operation Customer Assistance WarrantyIntroduction Operation
General Specifications
FRS/GMRS Frequency
Allocation and Compatibility
Important: Please note that Cobra GMRS models with 15 Channels
may designate different channel numbers for the same frequency.
For example, a Cobra15 Channel GMRS model would need to be
tuned to Channel 11 in order to communicate with a 22 Channel
GMRS tuned to Channel 15.Please refer to the chart below for
channel/ frequency number compatibility.
A = Channel No. for 22 Channel FRS/GMRS Models
B = Channel No. for 15 Channel GMRS Models
C = Type of Radio Service
D = Frequency in MHz
E = Power Output
AB C D E
1 1 FRS/GMRS 462.5625 High or Low
2 2 FRS/GMRS 462.5875 High or Low
3 3 FRS/GMRS 462.6125 High or Low
4 4 FRS/GMRS 462.6375 High or Low
5 5 FRS/GMRS 462.6625 High or Low
6 6 FRS/GMRS 462.6875 High or Low
7 7 FRS/GMRS 462.7125 High or Low
8 FRS 467.5625 Low
9 FRS 467.5875 Low
10 FRS 467.6125 Low
11 FRS 467.6375 Low
12 FRS 467.6625 Low
13 FRS 467.6875 Low
14 FRS 467.7125 Low
15 11 GMRS 462.5500 High or Low
16 8 GMRS 462.5750 High or Low
17 12 GMRS 462.6000 High or Low
18 9 GMRS 462.6250 High or Low
19 13 GMRS 462.6500 High or Low
20 10 GMRS 462.6750 High or Low
21 14 GMRS 462.7000 High or Low
22 15 GMRS 462.7250 High or Low
Mode Button
Channel Buttons